private void OnPalettePropertyChanged(object sender, PropertyEventArgs evtArgs)
{
if (this.Tag == evtArgs.Node)
{
this.Text = evtArgs.Node.Name;
PaletteGroupView groupView = this.GroupView as PaletteGroupView;
SymbolModel symModel = evtArgs.Node as SymbolModel;
if (groupView != null && symModel != null)
{
if (evtArgs.PropertyName == "LargeIcon" && !groupView.SmallImageView)
{
if (symModel.LargeIcon != null)
{
this.ImageIndex = groupView.AddLargeIcon(symModel.LargeIcon);
}
else
{
this.ImageIndex = 0;
}
}
else if (evtArgs.PropertyName == "SmallIcon" && groupView.SmallImageView)
{
if (symModel.SmallIcon != null)
{
this.ImageIndex = groupView.AddLargeIcon(symModel.SmallIcon);
}
else
{
this.ImageIndex = 0;
}
}
}
}
}
/// <summary>
/// Deserializes a PaletteGroupView object from the code DOM.
/// </summary>
/// <param name="manager"></param>
/// <param name="codeObject"></param>
/// <returns></returns>
public override object Deserialize(IDesignerSerializationManager manager, object codeObject)
{
object retVal = null;
// Get base class serializer
CodeDomSerializer baseSerializer = (CodeDomSerializer)manager.GetSerializer(typeof(GroupView), typeof(CodeDomSerializer));
if (baseSerializer != null)
{
// Deserialize palette group view using base class serializer
retVal = baseSerializer.Deserialize(manager, codeObject);
if (retVal != null)
{
// Downcast to PaletteGroupView
PaletteGroupView palGrpVw = retVal as PaletteGroupView;
if (palGrpVw != null)
{
// Load symbol palette from the resource file and attach
// to the palette group view
string resName = palGrpVw.Name + "." + "Palette";
System.ComponentModel.Design.IResourceService resSvc = manager.GetService(typeof(System.ComponentModel.Design.IResourceService)) as System.ComponentModel.Design.IResourceService;
if (resSvc != null)
{
System.Resources.IResourceReader resReader = resSvc.GetResourceReader(System.Globalization.CultureInfo.InvariantCulture);
if (resReader != null)
{
// Iterate through the resource file using the resource
// reader and find the byte stream for the palette
byte[] strmData = null;
bool resFound = false;
IDictionaryEnumerator resEnum = resReader.GetEnumerator();
while (resEnum.MoveNext() && !resFound)
{
if ((string)resEnum.Key == resName)
{
strmData = (byte[])resEnum.Value;
resFound = true;
}
}
if (resFound && strmData != null)
{
palGrpVw.LoadPalette(strmData);
}
}
}
}
}
}
return(retVal);
}
/// <summary>
/// Serializes a PaletteGroupView object to the code DOM.
/// </summary>
/// <param name="manager"></param>
/// <param name="value"></param>
/// <returns></returns>
public override object Serialize(IDesignerSerializationManager manager, object value)
{
object retVal = value;
CodeDomSerializer baseSerializer = (CodeDomSerializer)manager.GetSerializer(typeof(GroupView), typeof(CodeDomSerializer));
if (baseSerializer != null)
{
retVal = baseSerializer.Serialize(manager, value);
if (retVal != null)
{
System.CodeDom.CodeStatementCollection stmts = retVal as System.CodeDom.CodeStatementCollection;
if (stmts != null)
{
PaletteGroupView palGrpVw = value as PaletteGroupView;
if (palGrpVw != null)
{
SymbolPalette pal = palGrpVw.Palette;
if (pal != null)
{
// Serialize the palette into the resource file
BinaryFormatter formatter = new BinaryFormatter();
System.IO.MemoryStream oStream = new System.IO.MemoryStream();
formatter.Serialize(oStream, pal);
string resName = palGrpVw.Name + "." + "Palette";
this.SerializeResource(manager, resName, oStream.GetBuffer());
oStream.Close();
// Add statements to CodeDom to load the palette from
// the resource file at run-time
string formClassName = "";
IDesignerHost designerHost = manager.GetService(typeof(IDesignerHost)) as IDesignerHost;
if (designerHost != null)
{
formClassName = designerHost.RootComponentClassName;
CodePropertyReferenceExpression exprRefGroupView = new CodePropertyReferenceExpression(new CodeThisReferenceExpression(), palGrpVw.Name);
CodeExpression[] loadPalParams = new CodeExpression[]
{
new CodePropertyReferenceExpression(new CodeTypeOfExpression(formClassName), "Assembly"),
new CodePrimitiveExpression(formClassName),
new CodePrimitiveExpression(resName)
};
CodeMethodInvokeExpression stmtLoadPalette = new CodeMethodInvokeExpression(exprRefGroupView, "LoadPalette", loadPalParams);
stmts.Add(stmtLoadPalette);
}
}
}
}
}
}
return(retVal);
}
/// <summary>
/// Set the selected symbol model to the one matching the given symbol model name.
/// </summary>
/// <param name="symbolName">Name of symbol model to select</param>
public bool SelectSymbolModel(string symbolName)
{
bool found = false;
if (this.SelectedItem < this.GroupBarItems.Count)
{
PaletteGroupView curGroupView = this.GroupBarItems[this.SelectedItem].Client as PaletteGroupView;
if (curGroupView != null)
{
found = curGroupView.SelectSymbolModel(symbolName);
}
}
return(found);
}
/// <summary>
/// Converts a SymbolPalette from other types.
/// </summary>
/// <param name="context"></param>
/// <param name="culture"></param>
/// <param name="value"></param>
/// <returns></returns>
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
if (value != null && value.GetType() == typeof(string))
{
string fileName = (string)value;
PaletteGroupView palGrpVw = context.Instance as PaletteGroupView;
if (palGrpVw != null)
{
if (palGrpVw.LoadPalette(fileName))
{
return(palGrpVw.Palette);
}
return(null);
}
}
return(base.ConvertFrom(context, culture, value));
}
/// <summary>
/// Adds an existing symbol palette to the GroupBar.
/// </summary>
/// <param name="palette">Symbol palette to add</param>
/// <remarks>
/// <seealso cref="Syncfusion.Windows.Forms.Diagram.SymbolPalette"/>
/// </remarks>
public void AddPalette(SymbolPalette palette)
{
GroupBarItem paletteBarItem = new GroupBarItem();
paletteBarItem.Text = palette.Name;
paletteBarItem.Tag = palette;
PaletteGroupView paletteView = new PaletteGroupView();
paletteView.EditMode = this.editMode;
paletteView.ButtonView = true;
paletteView.BackColor = Color.Ivory;
paletteView.SymbolModelSelected += new SymbolModelEvent(OnSymbolModelSelected);
paletteView.SymbolModelDoubleClick += new SymbolModelEvent(OnSymbolModelDoubleClick);
paletteView.LoadPalette(palette);
paletteBarItem.Client = paletteView;
this.GroupBarItems.Add(paletteBarItem);
}
